CN117268922A - Detection device for pole ear of lithium battery winding core - Google Patents

Detection device for pole ear of lithium battery winding core Download PDF

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Publication number
CN117268922A
CN117268922A CN202311541519.6A CN202311541519A CN117268922A CN 117268922 A CN117268922 A CN 117268922A CN 202311541519 A CN202311541519 A CN 202311541519A CN 117268922 A CN117268922 A CN 117268922A
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CN
China
Prior art keywords
adjusting
connecting seat
press block
positioning
detection
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Granted
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CN202311541519.6A
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Chinese (zh)
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CN117268922B (en
Inventor
闫盛林
董博源
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Ant New Energy Technology Tianjin Co ltd
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Ant New Energy Technology Tianjin Co ltd
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Priority to CN202311541519.6A priority Critical patent/CN117268922B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)

Abstract

The invention is suitable for the technical field of lithium battery detection, and provides a detection device for a lithium battery rolled core tab, which comprises a rack, wherein a placement frame is arranged on the rack, and the detection device further comprises: the positioning mechanism comprises a positioning press block, a connecting seat is slidably arranged in the positioning press block, two connecting sliding blocks are symmetrically arranged on the side wall of the connecting seat, connecting jacks are arranged on the inner wall of the positioning press block, an adjusting press block is slidably arranged in the connecting seat, and a withdrawal groove is arranged on the side wall of the adjusting press block; the detection mechanism comprises a first mounting plate, an adjusting rod is mounted at one end, far away from the connecting seat, of the first mounting plate, a detection pressing plate is arranged at the bottom of the adjusting rod, and a pressure sensor is arranged on the bottom surface of the detection pressing plate. The device can realize the self-adaptive positioning of the battery winding cores, can realize the accurate detection of the battery winding cores with different sizes, and has high working efficiency and good use effect.

Description

Detection device for pole ear of lithium battery winding core
Technical Field
The invention belongs to the technical field of lithium battery detection, and particularly relates to a detection device for a lithium battery winding core lug.
Background
The battery is widely used in various fields, especially in the mobile phone and electronic industry, due to the outstanding characteristics of high working voltage, large specific energy, small self-discharge and the like. Continuous improvements are also made in respect of the structure, performance and manufacturing process of lithium batteries. With the continued development of lithium battery applications, the automotive industry is increasingly using lithium batteries for power.
The tab is a metal conductor which leads out the positive and negative electrodes from the battery cell, and is a contact point when charging and discharging are performed, and the compressive capacity of the manufactured tab needs to be detected. Most of the existing detection devices for the tabs detect the compression resistance by extruding the tabs into the battery winding core when detecting, but because a certain gap exists between the tabs and the battery winding core, the detected pressure value is not accurate enough.
Disclosure of Invention
The embodiment of the invention aims to provide a detection device for a lithium battery winding core tab, which aims to solve the problems in the background technology.
The embodiment of the invention is realized in such a way that the detection device for the lithium battery rolled core tab comprises a frame, wherein the frame comprises a base and a top plate, a support frame is arranged on the base, the top plate is arranged at the top of the support frame, and the detection device further comprises:
the rack is used for placing the battery coil to be tested and is arranged on the base;
the positioning mechanism comprises a positioning press block, a connecting seat is slidably arranged in the positioning press block, the connecting seat penetrates through the top wall of the positioning press block, one end of the inside of the connecting seat is connected with the inner wall of the positioning press block through a third spring, a lifting part for driving the connecting seat to linearly move along the vertical direction is arranged on the top plate, two connecting sliding blocks are symmetrically arranged on the side wall of the connecting seat, the connecting sliding blocks are slidably arranged on the connecting seat, the connecting sliding blocks are connected with the inner wall of the connecting seat through a fourth spring, connecting jacks matched with the connecting sliding blocks are arranged on the inner wall of the positioning press block, an adjusting press block is slidably arranged in the connecting seat, and simultaneously penetrates through the bottom wall of the positioning press block and the bottom wall of the connecting seat and stretches out of the positioning press block, the top of the adjusting press block is connected with the inner side wall of the connecting seat through a second spring, and a withdrawal groove matched with the connecting sliding blocks is formed in the side wall of the adjusting press block;
the detection mechanism comprises two first mounting plates symmetrically mounted on the side wall of the connecting seat, an adjusting rod is mounted at one end of the first mounting plate away from the connecting seat, a first guide groove matched with the adjusting rod is further formed in the first mounting plate, an adjusting component used for adjusting the distance between the two adjusting rods is further arranged on the connecting seat, a detection pressing plate is arranged at the bottom of the adjusting rod, and a pressure sensor is arranged on the bottom surface of the detection pressing plate.
Further technical scheme, the rack is including installing the rack body in the frame, the bilateral symmetry of rack body is provided with the grip block, just the guide bar slidable mounting that the grip block set up through two symmetries is on the lateral wall of rack body, still be provided with a plurality of first springs between the lateral wall of grip block and rack body.
According to a further technical scheme, a plurality of rollers are rotatably arranged on the opposite sides of the two clamping plates.
According to a further technical scheme, the lifting part is an electric telescopic rod or a linear guide rail mechanism.
Further technical scheme, adjusting part includes two symmetry installs the second mounting panel on the lateral wall of connecting seat, each equal slidable mounting has the regulation post on the second mounting panel, just be provided with on the second mounting panel with the second guide way that the regulation post matches, each equal symmetry installs two regulation connecting rods on the regulation post, two the one end that the regulation post was kept away from to the regulation connecting rod is connected with a first mounting panel respectively, still be provided with electric telescopic handle on the lateral wall of connecting seat, and one of them the regulation post rotates to be installed on electric telescopic handle's output.
According to a further technical scheme, a plurality of balls are further arranged on one side, close to the positioning pressing block, of the detection pressing plate, and the balls are rotatably arranged on the detection pressing plate.
According to a further technical scheme, elastic cushion layers are arranged on the bottom surfaces of the positioning pressing block and the adjusting pressing block.
When the detection device for the lithium battery winding core electrode lug is used, the battery winding core is firstly placed on the placement frame, then the lifting part is started, the lifting part drives the positioning mechanism to integrally move downwards, the adjusting pressing block is firstly contacted with the upper surface of the battery winding core, the adjusting pressing block is stressed to shrink into the connecting seat along with the downward movement of the positioning mechanism until the lower surface of the positioning pressing block is contacted with the upper surface of the battery winding core, the backset groove moves to the same height position as the connecting sliding block at the moment, and the connecting sliding block moves to the backset groove and is synchronously separated from the connecting jack under the elastic restoring force of the fourth spring. The battery winding core can be fixed by the positioning pressing block, meanwhile, the connecting seat can continue to move downwards, the connecting seat can drive the detection mechanism to move downwards synchronously, so that the pressure sensor at the bottom of the detection pressing plate is in contact with the lug of the battery winding core, in the process, the distance between the two first mounting plates can be adjusted in real time by the adjusting component, the side wall of the detection pressing plate is in contact with the side face of the battery winding core, and the complete positioning of the battery winding core is completed, so that the detection requirements of the battery winding cores with different sizes are met. Along with the downward pressure of the connecting seat, the pressure sensor can monitor the pressure born by the lug in real time, so that the pressure resistance of the lug is accurately detected. The device can realize the self-adaptive positioning of the battery winding cores, can realize the accurate detection of the battery winding cores with different sizes, and has high working efficiency and good use effect.
Drawings
Fig. 1 is a schematic structural diagram of a detection device for a tab of a lithium battery winding core according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a partial structure of a detection device for a tab of a lithium battery winding core according to an embodiment of the present invention;
fig. 3 is a partial cross-sectional view of a positioning mechanism in a detection device for a tab of a lithium battery winding core according to an embodiment of the present invention;
fig. 4 is an enlarged view of a position a in fig. 3 in a detection device for a tab of a lithium battery winding core according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a positioning mechanism in a detection device for a tab of a lithium battery winding core according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a placement frame in a detection device for a tab of a lithium battery winding core according to an embodiment of the present invention;
fig. 7 is an enlarged view of a portion B in fig. 6 in the detection device for a tab of a lithium battery winding core according to an embodiment of the present invention.
In the accompanying drawings: a frame 1; a base 11; a support frame 12; a top plate 13; a placing frame 2; a rack body 21; a clamping plate 22; a guide rod 23; a first spring 24; a roller 25; a lifting part 3; a positioning mechanism 4; positioning the press block 41; a connection base 42; an adjustment press block 43; a second spring 44; a third spring 45; a connecting slider 46; a fourth spring 47; a connection jack 48; a relief groove 49; a detection mechanism 5; a first mounting plate 51; an adjusting lever 52; a detection platen 53; a pressure sensor 54; a ball 55; a first guide groove 56; an adjustment assembly 6; an adjustment link 61; a second mounting plate 62; an adjustment column 63; an electric telescopic rod 64; the second guide groove 65.
Description of the embodiments
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1-5, the detection device for a lithium battery winding core tab provided by an embodiment of the present invention includes a frame 1, the frame 1 includes a base 11 and a top plate 13, a support frame 12 is disposed on the base 11, and the top plate 13 is mounted on the top of the support frame 12, and further includes:
the rack 2 is used for placing the battery coil to be tested, and the rack 2 is arranged on the base 11;
the positioning mechanism 4, the positioning mechanism 4 includes a positioning press block 41, a connecting seat 42 is slidably mounted in the positioning press block 41, the connecting seat 42 penetrates through the top wall of the positioning press block 41, one end of the connecting seat 42 located inside the positioning press block 41 is connected with the inner wall of the positioning press block 41 through a third spring 45, a lifting part 3 for driving the connecting seat 42 to linearly move along the vertical direction is arranged on the top plate 13, two connecting slide blocks 46 are symmetrically arranged on the side wall of the connecting seat 42, the connecting slide blocks 46 are slidably mounted on the connecting seat 42, the connecting slide blocks 46 are connected with the inside of the connecting seat 42 through a fourth spring 47, a connecting jack 48 matched with the connecting slide blocks 46 is arranged on the inner wall of the positioning press block 41, an adjusting press block 43 is slidably mounted in the connecting seat 42, meanwhile, the adjusting press block 43 penetrates through the bottom wall of the positioning press block 41 and the bottom wall of the connecting seat 42 and extends out of the positioning press block 41, the top of the adjusting press block 43 is connected with the inside of the connecting seat 42 through the second spring 44, and a recession groove 49 matched with the connecting slide blocks 46 is arranged on the side wall of the adjusting press block 43.
The detection mechanism 5, the detection mechanism 5 includes two symmetrical first mounting plates 51 of installing on the lateral wall of connecting seat 42, the regulation pole 52 is installed to the one end that connecting seat 42 was kept away from to first mounting plate 51, just still be provided with on the first mounting plate 51 with adjust pole 52 matched first guide way 56, just still be provided with on the connecting seat 42 and be used for adjusting the regulation subassembly 6 of interval between two regulation poles 52, the bottom of adjusting pole 52 is provided with the detection clamp plate 53, the bottom surface of detection clamp plate 53 is provided with pressure sensor 54.
In the embodiment of the present invention, the section of the relief groove 49 is in a right trapezoid shape. In the initial state, the connection slider 46 is engaged in the connection jack 48, and at this time, the fourth spring 47 is in the contracted state. When the battery coil is used, the battery coil is placed on the placement frame 2, then the lifting part 3 is started, the lifting part 3 drives the positioning mechanism 4 to integrally move downwards, the adjusting pressing block 43 is firstly contacted with the upper surface of the battery coil, the adjusting pressing block 43 is stressed and contracted into the connecting seat 42 along with the downward movement of the positioning mechanism 4 until the lower surface of the positioning pressing block 41 is also contacted with the upper surface of the battery coil, the recession 49 moves to the same height position as the connecting sliding block 46 at the moment, and the connecting sliding block 46 moves into the recession 49 under the action of the elastic restoring force of the fourth spring 47 and is synchronously separated from the connecting jack 48. The battery winding core can be fixed by the positioning press block 41, meanwhile, the connecting seat 42 can continue to move downwards, the connecting seat 42 can drive the detection mechanism 5 to move downwards synchronously, so that the pressure sensor 54 at the bottom of the detection press plate 53 contacts with the lugs of the battery winding core, in the process, the distance between the two first mounting plates 51 can be adjusted in real time by the adjusting component 6, the side wall of the detection press plate 53 contacts with the side face of the battery winding core, and the complete positioning of the battery winding core is completed, so that the detection requirements of the battery winding cores with different sizes are met. Along with the pressing down of the connecting seat 42, the pressure sensor 54 can monitor the pressure applied to the tab in real time, so as to accurately detect the pressure resistance of the tab.
After the detection is completed, the lifting part 3 drives the positioning mechanism 4 to integrally move upwards to the initial position, at this time, the connecting seat 42 can drive the adjusting pressing block 43 to synchronously move upwards through the second spring 44, and the connecting seat 42 can also drive the positioning pressing block 41 to synchronously move upwards through the third spring 45. In this process, the positioning press block 41 will be separated from the battery winding core first, and the connecting seat 42 and the adjusting press block 43 will be relatively displaced, so that the connecting slide block 46 is separated from the recession 49 and reinserted into the connecting jack 48.
As shown in fig. 1, 6 and 7, as a preferred embodiment of the present invention, the rack 2 includes a rack body 21 mounted on the rack 1, two sides of the rack body 21 are symmetrically provided with clamping plates 22, the clamping plates 22 are slidably mounted on the side wall of the rack body 21 through two symmetrically provided guide rods 23, and a plurality of first springs 24 are further disposed between the clamping plates 22 and the side wall of the rack body 21.
In the embodiment of the present invention, when in use, under the action of the elastic force of the first spring 24, a clamping force opposite to each other exists between the two clamping plates 22, so as to adaptively clamp the battery winding core to be tested. Simultaneously, two the opposite one side of grip block 22 is all rotated and is installed a plurality of rollers 25, and the lateral wall of the battery core of rolling up through the roller 25 carries out the centre gripping, can be convenient for the battery core of rolling up slide between two grip block 22, for follow-up centering adjustment provides convenience.
As shown in fig. 1, as a preferred embodiment of the present invention, the lifting portion 3 is an electric telescopic rod or a linear guide rail mechanism, and only needs to ensure that it can drive the connecting seat 42 to perform a linear motion in a vertical direction.
As shown in fig. 2 and 3, as a preferred embodiment of the present invention, the adjusting assembly 6 includes two second mounting plates 62 symmetrically mounted on the side wall of the connection base 42, each of the second mounting plates 62 is slidably provided with an adjusting post 63, a second guide groove 65 matched with the adjusting post 63 is provided on the second mounting plate 62, each of the adjusting posts 63 is symmetrically provided with two adjusting links 61, one end of each of the two adjusting links 61 away from the adjusting post 63 is respectively connected with one of the first mounting plates 51, an electric telescopic rod 64 is further provided on the side wall of the connection base 42, and one of the adjusting posts 63 is rotatably mounted on the output end of the electric telescopic rod 64.
In the embodiment of the invention, when the battery winding core detection device is used, the electric telescopic rod 64 drives the adjusting column 63 to slide in the second guide groove 65 in a telescopic movement mode, and the adjusting column 63 can drive the first mounting plates 51 to synchronously slide along the first guide groove 56 through the adjusting connecting rod 61, so that the two first mounting plates 51 simultaneously move in opposite directions or in opposite directions, the distance between the two first mounting plates 51 can be adjusted, the battery winding core detection device can flexibly adapt to the detection requirements of battery winding cores with different sizes, and the battery winding core detection device can also be used for centering the battery winding cores, and is convenient to detect.
As shown in fig. 2 and 3, as a preferred embodiment of the present invention, a plurality of balls 55 are further disposed on a side of the detecting platen 53 near the positioning press block 41, and each ball 55 is rotatably mounted on the detecting platen 53. When the detection pressing plate 53 moves to the side close to the battery winding core, the balls 55 can be contacted with the side face of the battery winding core first, when the detection pressing plate 53 drives the pressure sensor 54 to move downwards, the balls 55 can roll along the side face of the battery winding core, fixing of the battery winding core can be kept, friction among components can be reduced, and therefore efficiency of a detection process is improved.
As a preferred embodiment of the present invention, the bottom surfaces of the positioning press block 41 and the adjusting press block 43 are provided with elastic cushion layers for protecting the surface of the battery winding core and preventing the battery winding core from being damaged or scratched during the detection process.
Working principle: when the battery coil is used, the battery coil is placed on the placement frame 2, then the lifting part 3 is started, the lifting part 3 drives the positioning mechanism 4 to integrally move downwards, the adjusting pressing block 43 is firstly contacted with the upper surface of the battery coil, the adjusting pressing block 43 is stressed and contracted into the connecting seat 42 along with the downward movement of the positioning mechanism 4 until the lower surface of the positioning pressing block 41 is also contacted with the upper surface of the battery coil, the recession 49 moves to the same height position as the connecting sliding block 46 at the moment, and the connecting sliding block 46 moves into the recession 49 under the action of the elastic restoring force of the fourth spring 47 and is synchronously separated from the connecting jack 48. At this time, the positioning press block 41 can fix the battery winding core, meanwhile, the connecting seat 42 can further move downwards, the connecting seat 42 can drive the detection mechanism 5 to move downwards synchronously, so that the pressure sensor 54 at the bottom of the detection press plate 53 contacts with the lug of the battery winding core, in the process, the distance between the two first mounting plates 51 can be adjusted in real time through the adjusting component 6, specifically, the electric telescopic rod 64 drives the adjusting column 63 to slide in the second guide groove 65 in a telescopic movement manner, the adjusting column 63 can drive the first mounting plates 51 to synchronously slide along the first guide groove 56 through the adjusting connecting rod 61, and accordingly, the two first mounting plates 51 can move oppositely or reversely simultaneously, the distance between the two first mounting plates 51 can be adjusted, so that the side wall of the detection press plate 53 contacts with the side face of the battery winding core, the complete positioning of the battery winding core is completed, and the detection requirements of battery winding cores with different sizes are met. Along with the pressing down of the connecting seat 42, the pressure sensor 54 can monitor the pressure applied to the tab in real time, so as to accurately detect the pressure resistance of the tab.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (7)

1. The utility model provides a detection device of core tab is rolled up to lithium cell, includes the frame, the frame includes base and roof, be provided with the support frame on the base, just the roof is installed in the top of support frame, its characterized in that still includes:
the rack is used for placing the battery coil to be tested and is arranged on the base; the positioning mechanism comprises a positioning press block, a connecting seat is slidably arranged in the positioning press block, the connecting seat penetrates through the top wall of the positioning press block, one end of the inside of the connecting seat is connected with the inner wall of the positioning press block through a third spring, a lifting part for driving the connecting seat to linearly move along the vertical direction is arranged on the top plate, two connecting sliding blocks are symmetrically arranged on the side wall of the connecting seat, the connecting sliding blocks are slidably arranged on the connecting seat, the connecting sliding blocks are connected with the inner wall of the connecting seat through a fourth spring, connecting jacks matched with the connecting sliding blocks are arranged on the inner wall of the positioning press block, an adjusting press block is slidably arranged in the connecting seat, and simultaneously penetrates through the bottom wall of the positioning press block and the bottom wall of the connecting seat and stretches out of the positioning press block, the top of the adjusting press block is connected with the inner side wall of the connecting seat through a second spring, and a withdrawal groove matched with the connecting sliding blocks is formed in the side wall of the adjusting press block; the detection mechanism comprises two first mounting plates symmetrically mounted on the side wall of the connecting seat, an adjusting rod is mounted at one end of the first mounting plate away from the connecting seat, a first guide groove matched with the adjusting rod is further formed in the first mounting plate, an adjusting component used for adjusting the distance between the two adjusting rods is further arranged on the connecting seat, a detection pressing plate is arranged at the bottom of the adjusting rod, and a pressure sensor is arranged on the bottom surface of the detection pressing plate.
2. The detection device for the lithium battery winding core tabs according to claim 1, wherein the placement frame comprises a placement frame body mounted on a frame, clamping plates are symmetrically arranged on two sides of the placement frame body, the clamping plates are slidably mounted on the side walls of the placement frame body through two symmetrically arranged guide rods, and a plurality of first springs are further arranged between the clamping plates and the side walls of the placement frame body.
3. The device for detecting tabs of a lithium battery winding core according to claim 2, wherein a plurality of rollers are rotatably mounted on opposite sides of the two clamping plates.
4. The device for detecting a tab of a lithium battery winding core according to claim 1, wherein the lifting part is an electric telescopic rod or a linear guide mechanism.
5. The detection device for the lithium battery winding core tab according to claim 1, wherein the adjusting assembly comprises two second mounting plates symmetrically mounted on the side wall of the connecting seat, each second mounting plate is provided with an adjusting column in a sliding manner, each second mounting plate is provided with a second guide groove matched with the adjusting column, each adjusting column is symmetrically provided with two adjusting connecting rods, one end of each adjusting connecting rod, far away from the adjusting column, is respectively connected with one first mounting plate, the side wall of the connecting seat is further provided with an electric telescopic rod, and one adjusting column is rotatably mounted on the output end of the electric telescopic rod.
6. The detection device for the lithium battery winding core tab according to claim 1, wherein a plurality of balls are further arranged on one side of the detection pressing plate, which is close to the positioning pressing block, and each ball is rotatably mounted on the detection pressing plate.
7. The detection device for the lithium battery winding core tab according to claim 1, wherein the bottom surfaces of the positioning press block and the adjusting press block are provided with elastic cushion layers.
CN202311541519.6A 2023-11-20 2023-11-20 Detection device for pole ear of lithium battery winding core Active CN117268922B (en)

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Application Number Priority Date Filing Date Title
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CN117268922B CN117268922B (en) 2024-04-16

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